Air ionizer



FIG. 1 is a top front perspective view of an air ionizer showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof.

The broken line representation of an electrode in FIG. 1 is for purposes of illustration only and the conventional electric cord has been fragmentarily shown in FIGS. 5 and 6 and omitted from FIGS. 1 through 4 for convenience of illustration. 

The ornamental design for an air ionizer, as shown and described. 